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A B C D E
KDC-MP425/MP6026
KDC-W6027/W6027Y
ELECTRIC UNIT(X34-308x-xx)
1 C357 0.01
J4
ANT. C356 0.01
D359
L3
FM/AM
A1 TUNER
RFGND
1 C119 0.01 D RDS
2 DEMODULATOR
FMIN
AMIN
3 R373 1K 5V IC7
0V
87
4 R114
OSCGND
5
C360 R113 2.2K 1 16 2.2K
11 QUAL RDCL
N.C
6 0.01 R112 2.2K 2
AM+B 12 RDDA 5V
7 C117 0V
OSCGND
8 2.2u50 2.5V 3
OSCGND VREF 15 R115 C112
9 + TCON
R111
4.7K
N.C 14 2.2K 27P
10 C116 OSCO
2 OSCGND Q101 330P 2.5V 4
X3
11 MPX C113
VT 27P
12 L6 4.7uH 5.0V 5 13
VDDA OSCI
4.7K
PLL+B
13 R101 1K 0V 6
12 5.0V 4.332MHz
VSSA
IFCOUT 84 2.5V 7 VDDD
14 R102 470 CIN 11 0V
C115 10u16
SDA 100 VSSD
C114 0.01
C118
680P
R104 470 10 0V
15 SYNC
+
SCL 1 2.5V 8 9 0V
16
R105
R103
SCOUT MODE
4.7K
4.7K
D-GND L9
17 L7 4.7uH 4.7uH
VDD5V
18
4
N.C
19
N.C 13
20
AUDIO
21 82
N.C
22 R106 C111
E S-METER
23 L8 4.7uH 2.2K 1000P
IF+B
WIRED 24 C503
IF GND
REMO/OEM 4700P
DISP OUT
3
OPEL
REMO CN5 C
99
98
97
2
91
92
82
96
95
90
89
88
86
85
83
100
94
87
84
R369 470
R404
81 0V 100K
1
83 0-2.2V
82 0-4.9V
CN6
1 R368 470 R372 100
3 65
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
R367 470 R371 100
2 5 2 66
NOISE
S-METER
C
R366 470 R370 100 5V
LX-REQ-M
LX-MUTE
LX-REQ-S
12EJE SW
8EJE SW
EJECT
LX-CLK
L CLK
R-CLK
IFC-OUT
LO.S SW
KEY-REQ
LX-DATA-M
LX-DATA-S
L DATAS
L DATAL
PLL DATA
1 67 0V
3 4
1
1 PLL CLK 5V
D351 D352 2
N.C 0V
3 5
3 PANEL DET 5V 5V or 0
4 0V
1 GND 4 IC2 SDA 0V 5V
5 5V 5V
2 REMO 5 IC2 SCL 0V 5V 0V
3 O CE 6 0V 0V
VDD
R68
R67
470
470
R65 100K
R64 100K
4 O CLK
C402
5.0V
0.01
5V
4 5 O DATA 0V
0V 7 5V 5V
VSS
0.01
0.01
C51
0V 5V 0V
C52
CN2 8 0V
8 FLIP-DET 5V
D-OUT 24 9 5V 0V
R51 2.2K 9 BEEP 0V
SW2 23 91
R52 2.2K 10 5V
SW1 22 90 10 REMO 0V
11 IC1
MS-CLK 21 19 11 R QUAL
12
MS-DA 20 18 12 R DATA SYSYTEM
13 5V MICROPROCESSOR
AUDIO+B 19 13 L CE 0V
14
Lch 18 14 VILL DATA
15
GND 17 15 VILL CLK
5V
100K
100K
16
R61
R62
Rch 16 43 16 DSI 0V or 0V
R53 1K 17
MUTE-R 15 29 17 DIM CON
R54 1K 0V 18 5V
MUTE-L 14 28 TEST 5V 0V
R55 1K 19
to 19 ILL CON 0V
CD MECHA M-RST 13 25 20
UNIT R56 1K 20 VOL A 5V
M-STOP 12 24 21 0V
21 VOL B
5 SW4 11
22
22
MOSW
LOE/LIM SW
R58 2.2K 23 5V
M-MUTE R
M-MUTE L
SW3 10 27
PANEL 5V
23 LO/EJ 0V
CLKOUT
R63 24
RESET
24 M STOP
REGC
MUTE
25 VDD
VSS
XT1
XT2
2.2K 25 M RST
X2
X1
BU5V 9
5V
DGND 8
31
32
26
28
29
30
33
35
36
38
39